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Fri Jan 29 09:57:58 1993 Ian Lance Taylor (ian@cygnus.com)

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* ldmain.c (subfile_wanted_p): If we already have a common
	definition of a symbol, don't necessarily pull in an object file
	that provides a non-common definition.
This commit is contained in:
Ian Lance Taylor
1993-01-29 19:47:56 +00:00
parent 8a3efe67ae
commit f31cb329d5
2 changed files with 14 additions and 5 deletions
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4
ld/ChangeLog
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@@ -1,5 +1,9 @@
Fri Jan 29 09:57:58 1993 Ian Lance Taylor (ian@cygnus.com)
* ldmain.c (subfile_wanted_p): If we already have a common
definition of a symbol, don't necessarily pull in an object file
that provides a non-common definition.
* ldlex.l (COMMAND): Accept -EB and -EL command line arguments,
returning OPTION_EB and OPTION_EL. gcc passes these to a MIPS
linker.

15
ld/ldmain.c
View File

@@ -958,9 +958,15 @@ subfile_wanted_p (entry)
if (sp->srefs_chain != (asymbol **) NULL
|| sp->scoms_chain != (asymbol **) NULL)
{
/* This is a symbol we are looking for. It is either
not yet defined or common. */
/* This is a symbol we are looking for. It is
either not yet defined or common. If this is a
common symbol, then if the symbol in the object
file is common, we need to combine sizes. But if
we already have a common symbol, and the symbol
in the object file is not common, we don't want
the object file: it is providing a definition for
a symbol that we already have a definition for
(this is the else condition below). */
if (bfd_is_com_section (p->section))
{
@@ -1017,8 +1023,7 @@ subfile_wanted_p (entry)
}
ASSERT (p->udata == 0);
}
else
else if (sp->scoms_chain == (asymbol **) NULL)
{
if (write_map)
{